Two ‘Chords’ or beams are created over the window. Supplementary bars ‘pin’ the brick to the beam.
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Many houses in the UK constructed with cavity walls do not have lintel over the windows in the outer leaf. The brickwork - often referred to as soldier coursing, was supported by the load bearing window frame. Over time, the brickwork loading slumps, and causes the frame to bend and cracks appear in the mortar pointing.
Another common problem to masonry movement in a building is cracking of both the masonry itself and cracks in the mortar bed joints. This can either be horizontal cracking or ‘stepped’ cracking, or a combination of both.
It is important that the cause of the cracking is identified before works commence and you may need the assistance of a qualified person, such as a Structural Engineer.
To strengthen the masonry, high grade stainless helical bars are inserted into the bed joints. These act as new beams in the case of lintel reinforcement. Additional helical bars may also be installed vertically up through the soldier coursing to tie the bricks to the newly created beam.
Wall stabilisation can be used to repair:
Features and benefits: